[![Washington Transit Police work the site in Washington, Wednesday, June 24, 2009, where two metro trains collided on Monday. At right is a section of electrified rail that was removed for the investigation. (AP Photo/Jacquelyn Martin)][1]][2]AP - Investigators are looking more closely at a stretch of track near the site of a deadly commuter train crash after finding abnormalities Wednesday in equipment that senses trains and transmits speed commands.
[1]: http://d.yimg.com/a/p/ap/20090624/capt.25d67b1c1e144cfab6b6a1fe170f9fe9.dc_metro_train_derailment_dcjm102.jpg?x=130&y=86&q=85&sig=Qdg3HtnlQU2iyicv.ddJ1Q--
[2]: http://us.rd.yahoo.com/dailynews/rss/us/*http://news.yahoo.com/s/ap/20090624/ap_on_re_us/us_dc_metro_train_derailment
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